CVE-2018-0513: Cross-site scripting vulnerability in MTS Simple Booking C, MTS Simple Booking Business version 1.28.0 and ear

Q: How do I fix CVE-2018-0513?

simple booking: upgrade to newer than 1.28.0. Exact commands for each OS are on this page.

Q: Is CVE-2018-0513 being exploited?

CVE-2018-0513 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-0513 affect?

CVE-2018-0513 affects simple booking. Severity is medium (CVSS 6.1). Cross-site scripting vulnerability in MTS Simple Booking C, MTS Simple Booking Business version 1.28.0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Q: How urgent is CVE-2018-0513?

Priority 35/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2018-0513 is a medium-severity flaw (CVSS 6.1) affecting simple booking. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting vulnerability in MTS Simple Booking C, MTS Simple Booking Business version 1.28.0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-02-08
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: mtssb.mt-systems

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-02-08 14:29 UTCPublished CVE record published
2026-06-17 01:31 UTCUpdated Record last modified

mtssb.mt-systems simple booking UPGRADE

Affected: <= 1.2.1 · <= 1.28.0

Fixed in: newer than 1.28.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy simple-booking || rpm -q simple-booking || simple-booking --version

2. UPGRADE to newer than 1.28.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade simple-booking

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade simple-booking

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-0513?

simple booking: upgrade to newer than 1.28.0. Exact commands for each OS are on this page.

Is CVE-2018-0513 being exploited?

CVE-2018-0513 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-0513 affect?

CVE-2018-0513 affects simple booking. Severity is medium (CVSS 6.1). Cross-site scripting vulnerability in MTS Simple Booking C, MTS Simple Booking Business version 1.28.0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

How urgent is CVE-2018-0513?

Priority 35/100. No elevated risk signals yet.

References

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